|Dew Point Calculator
This calculator determines the dew point from a given temperature and relative humidity of the air.
|Altitude Boiling Point Calculator
This online calculator calculates the boiling temperature of water based on the atmospheric pressure in millimeters of mercury or the altitude above the sea level.
|Temperature Scale Converter
This online calculator allows users to convert temperature values between the seven most widely used temperature scales. These scales are Celsius, Fahrenheit, Kelvin, Rankine, Delisle, Réaumur, and Rømer.
|Wind Chill Index
This online calculator computes Wind Chill Index using Wind Chill Formula from Environment Canada
This online calculator computes the apparent temperature, taking into consideration wind speed and relative air humidity. It uses the Australian Bureau of Meteorology formula
|Saturation vapor pressure
This online calculator computes saturation vapor pressure for a given temperature and atmospheric (barometric) pressure
|Relative humidity to absolute humidity and vice versa calculators
The first calculator converts relative humidity to absolute humidity for a given temperature and barometric pressure. The second calculator does the opposite - converts absolute humidity to relative humidity for a given temperature and barometric pressure. Some theory and formulas can be found below the calculator.
|Density of oil
Recalculation of the density of oil for different temperature and pressure values. Formulas are taken from Russia's GOST R 8.610-2004. "State system for ensuring the uniformity of measurements for the density of oil. The tables for recalculation" standard
|Clapeyron-Mendeleev equation. The relationship between the number of moles of gas, the temperature, volume and pressure.
Clapeyron-Mendeleev equation. The relationship between the number of moles of gas, the temperature, volume and pressure.
|Grain Drying with Natural Air
Calculator to determine conditions for drying grain.
This calculator calculates Humindex, index used by Canadian meteorologists to describe how hot the weather feels to the average person, by combining the effect of heat and humidity.
|Heat Index Calculator
This calculator calculates the heat index or apparent temperature.
|Petroleum product density
Petroleum product density conversion, according to GOST 3900-85
|Quantity of heat
This calculator can find missing values in the relationship between heat and temperature: heat added or removed, specific heat, mass, initial temperature and final temperature.
|Thermodynamics – calculator for solving mixing problems
An online calculator to solve thermodynamic equilibrium problems, such as finding the final temperature when mixing fluids, or finding the required temperature for one of the fluids to achieve a final mixed temperature